<%@ page contentType="text/html;charset=UTF-8" %>
<%
    if (request.getSession().getAttribute("delBook_message") != null) {
        out.print("<script>alert(\"" + (request.getSession().getAttribute("delBook_message")) + "\");</script>"); // 弹窗提示
        request.getSession().removeAttribute("delBook_message"); // 删除会话
        out.print("<script>window.location.replace(\""+pageContext.getServletContext().getContextPath()+"/admin/book_list.jsp\");</script>");
    }
%>